4-Hydroxy-2',4',6'-trichlorobiphenyl, 10mg

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

4-Chlorophenoxyacetic acid, 250mg

SDWA Iron